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Anonymous users2024-02-07It may be that the battery of the mobile phone is insufficient, and the battery must be guaranteed to be above 20%, otherwise it cannot be upgraded. It may also be that the memory storage space is insufficient, so it is recommended to clear the memory space or install an SD card before upgrading.
If you have an SD card installed, your phone may not be compatible with some brands or formats of SD cards, you can uninstall the SD card and try again.
In addition, if you have been rooted, you may have uninstalled the preset applications or changed the system files, it is recommended to force the upgrade through eRecovery or HiSuite. If you don't have root, back up your data and take the purchase invoice to Huawei's after-sales service point for maintenance.
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Anonymous users2024-02-06Is it ** The upgrade failed, try to force the recovery mode to upgrade (back up the data in the phone before upgrading). Go to EMUI first for the software version of the corresponding phone. SD card local upgrade 1
Prepare an SD card with a capacity of 2G or more to ensure that the free space is larger than the size of the upgrade package, and it is recommended to use brands such as Sandisk, Kingstone, or KingMax. 2.Create a "dload" folder in the root directory of the SD card, and put the "good software upgrade package" into the dload folder.
3.Plug in the charger, press and hold the volume up and down buttons, and press and hold the power button for more than 10 seconds to start the phone. The phone will enter the SD card to force the upgrade, if it will not be able to start because the battery is exhausted or the battery is low, charge it before upgrading to ensure that the phone can start, please insert the charger during the upgrade process, otherwise the upgrade will fail if the battery is insufficient.
4.After the phone enters the upgrade, the upgrade will be completed automatically, and the upgrade time is about 5 minutes, if the upgrade fails, you can try to try again. If it doesn't work, bring the warranty card to the nearby Huawei after-sales service center maintenance point for maintenance, and back up the data in advance!
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Anonymous users2024-02-05After confirming whether the phone is rooted, uninstall the pre-made apps on the system. If yes, guide the user to upgrade the version via the SD card.
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Anonymous users2024-02-04Hello, according to your description, it is recommended that you try it by following the steps below:
1.Turn off the SD card and SIM card, and try again.
2.Clean the contact points of the battery and the phone battery.
3.Connect the data cable to the computer to try charging.
4.Try replacing the data cable.
5.Replace the battery.
If none of the above methods work, then you can only go to the after-sales service to deal with it!
Under normal circumstances, when pressing the power button, the trigger terminal voltage of the power button should change significantly, if there is no change, it is generally due to the poor contact of the power button or the power line is broken, and the component is soldered or damaged. When repairing, use an external power supply to supply power, observe the change of the ammeter, if the ammeter does not respond, it is generally a bad power line or power button.
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Anonymous users2024-02-03Hello !
According to your description, Huawei Acend P7 won't turn on, we recommend that you try the following steps:
When the device is fully charged, after backing up data, press and hold the [Power Button] and [Volume +] buttons for 10 seconds with the device off (off).
After entering recovery mode, move the cursor with [Volume+], Volume-] (see figure below).
Operate 2-wipes again
Select Wipe Data Factory Reset > yes, home] to confirm.
Select wipe cache partition > yes , home] to confirm.
Select reboot system now > yes , home] to confirm.
After doing so, restart and you're done.
If the problem persists after 2-wipes, it is recommended to press and hold the [Power Button] and [Volume-] buttons for 10 seconds to enter fastboot mode
Connect to your PC and use the HUAWEI Flash Tool to flash the official ROM to repair the system.
Hope this helps you!!
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Anonymous users2024-02-02Hello, please confirm whether the phone is rooted and uninstall the pre-made apps of the system. If yes, it is recommended that you upgrade the version via an SD card.
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Anonymous users2024-02-01If you can flash the machine, you can restore the card swiping, if you can't, then it is recommended to bring the relevant products to the nearest after-sales service center for testing and processing.
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Anonymous users2024-01-31Just go to customer service and swipe the machine. A system crash is the same as installing a computer system.
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